As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING C-CHECK INSPECTION, FOUND RIGHT REAR SPAR BULKHEAD CRACKED AT STRINGER 10 FRAME 25 TOP AFT HI-LOK COLLER SIDE. MAINTENANCE REMOVED HI-LOK, DRILLED HOLE TO NEXT OVER SIZE. PERFORMED EDDY CURRENT AND FOUND NO CRACK INDICATION AND REINSTALLED HI-LOK. AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)